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Slow cooker rigatoni Alfredo pasta served in a white casserole dish.

Slow Cooker Rigatoni Chicken Alfredo

Rigatoni pasta, chicken, and Parmesan cook together in a creamy Alfredo sauce right in the slow cooker so you can set it and forget it until dinnertime.
4.67 from 3 votes
Prep Time 20 minutes
Cook Time 6 hours 30 minutes
Total Time 6 hours 50 minutes
Course Main Dish
Cuisine American
Servings 8 servings

Ingredients
  

  • 2 to 2 ½ lb boneless skinless raw chicken breast tenders (or thin-sliced chicken breasts)
  • 2 c heavy cream
  • 1 ½ c chicken broth or stock low sodium recommended
  • ¼ c butter sliced (unsalted recommended)
  • 8 oz cream cheese cubed
  • ½ t Italian seasoning
  • ½ t salt
  • ¼ t black pepper
  • ¼ t garlic powder
  • 1 lb uncooked rigatoni pasta
  • ½ c freshly grated Parmesan cheese
  • Optional: chopped fresh parsley for garnish

Instructions
 

  • Place chicken meat in a large slow-cooker. Slowly add in the heavy cream and chicken broth. Add butter, cream cheese, Italian seasoning, salt, pepper, and garlic powder.
  • Cover and cook on high for 3 hours or low for 5 hours, until chicken is cooked through and tender.
  • Remove chicken and place on a plate. Whisk the sauce in the slow cooker until smooth. Shred chicken with forks and return to the slow cooker.
  • Stir in rigatoni and Parmesan. Cover and cook on high for 30 minutes, checking after 20 minutes, until pasta is just tender.
  • Serve hot with parsley if desired.
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